Triple

T2750326
Position Surface form Disambiguated ID Type / Status
Subject Wellesley, Massachusetts E60968 entity
Predicate hasRailStation P726 FINISHED
Object Wellesley Hills station
Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
 E331869 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Wellesley Hills station | Statement: [Wellesley, Massachusetts, hasRailStation, Wellesley Hills station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wellesley Hills station
Context triple: [Wellesley, Massachusetts, hasRailStation, Wellesley Hills station]
  • A. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • D. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • E. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Wellesley Hills station
Triple: [Wellesley, Massachusetts, hasRailStation, Wellesley Hills station]
Generated description
Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Wellesley Hills station
Target entity description: Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
  • A. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • D. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • E. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ab4b79846081909096725374d65ce9 completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb52b1d48190b6ab511cc8834a14 completed March 7, 2026, 8:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69b22496fda88190ba70356cc6835dcb completed March 12, 2026, 2:27 a.m.
NEDg Description generation batch_69b22598f9e48190a3d63a3416c95bd9 completed March 12, 2026, 2:31 a.m.
NED2 Entity disambiguation (via description) batch_69b225f0e0b0819096f8b5f7e7ddd8c3 completed March 12, 2026, 2:33 a.m.
Created at: March 6, 2026, 9:56 p.m.